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Suborder:
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Goniatitina
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Superfamily:
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Dimorphoceratoidea
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Family:
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Anthracoceratidae
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Genus:
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Anthracoceras
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Species:
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cambriense |
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Qualifier:
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ss |
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Author:
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Bisat 1930,p.78
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Lower Boundary:
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Duckmantian--Bolsovian, Westphal.B--C, 310.6 million years
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Upper Boundary:
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Bolsovian--Westphalian D,Westphal.C--D, 309.5 million years
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